Let f: R → R be defined as... | Functions JEE Main 2021

_JEE MAIN_2021

_22-JULY-2021,S2

Question

Let $f: R \rightarrow R$ be defined as $f(x)=\left\{\begin{array}{ll}-\frac{4}{3} x^3+2 x^2+3 x, & x>0 \\ 3 x e^x & x \leq 0\end{array}\right.$. Then $f$ is increasing function in the interval

Select the correct option:

$\left(-\frac{1}{2}, 2\right)$

(0, 2)

$\left(-1, \frac{3}{2}\right)$

$(-3,-1)$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Mathematics

Easy

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